Skip Content
Tropical Cyclones in 2021 > Figures
- Please select -
Front Page
Content
Track
Animation
Figures
Tables
Other Information
Front Page
Content
Track
Animation
Figures
Tables
Other Information
1.1
Locations of anemometers and tide gauge stations mentioned in this annual report
2.1
Monthly frequencies of the occurrence of tropical cyclones in the western North Pacific and the South China Sea in 2021
2.2
Tracks of the eight tropical cyclones affecting Hong Kong in 2021
2.3a
Infra-red satellite imagery of Super Typhoon Surigae (2102) around 8 p.m. on 17 April 2021
2.3b
Infra-red satellite imagery of Super Typhoon Chanthu (2114) around 8 p.m. on 10 September 2021
3.1.1
Track of Koguma : 11 – 13 June 2021
3.1.2
Rainfall distribution on 11 – 12 June 2021
3.1.3
Infra-red satellite imagery around 5 p.m. on 12 June 2021
3.1.4
Image of radar echoes at 9:00 p.m. on 11 June 2021
3.2.1
Tracks of the two tropical depressions: 5 – 8 July 2021
3.2.2
Rainfall distribution on 6 – 7 July 2021
3.2.3a
Infra-red satellite imagery around 5 a.m. on 6 July 2021
3.2.3b
Visible satellite imagery around 11 a.m. on 7 July 2021
3.2.4
Image of radar echoes at 11:48 p.m. on 6 July 2021
3.3.1a
Track of Cempaka : 18 – 24 July 2021
3.3.1b
Track of Cempaka near Hong Kong
3.3.2
Rainfall distribution on 18 – 20 July 2021
3.3.3
10-minute mean wind direction and speed recorded at various stations in Hong Kong at 6:00 p.m. on 19 July 2021
3.3.4
Infra-red satellite imagery around 2 a.m. on 20 July 2021
3.3.5a
Image of radar echoes at 12:36 p.m. on 19 July 2021
3.3.5b
Image of radar echoes at 2:00 a.m. on 20 July 2021
3.4.1a
Track of Lupit : 2 – 9 August 2021
3.4.1b
Track of Lupit near Hong Kong
3.4.2
Rainfall distribution on 2 – 5 August 2021
3.4.3
Infra-red satellite imagery around 2 a.m. on 5 August 2021
3.4.4a
Image of radar echoes at 2:00 p.m. on 3 August 2021
3.4.4b
Image of radar echoes at 8:00 p.m. on 4 August 2021
3.5.1a
Track of Lionrock (2117): 7 – 10 October 2021
3.5.1b
Track of Lionrock near Hainan Island
3.5.2
Rainfall distribution on 7 – 10 October 2021
3.5.3a
10-minute mean wind direction and speed recorded at various stations in Hong Kong at 3:40 p.m. on 9 October 2021
3.5.3b
10-minute mean wind direction and speed recorded at various stations in Hong Kong at 8:20 p.m. on 9 October 2021
3.5.4
Traces of 10-minute wind speed recorded at Waglan Island, Cheung Chau and Tai Mei Tuk on 8 – 10 October 2021
3.5.5
Hourly rainfall recorded at the Observatory during 7 – 10 October 2021
3.5.6a
Visible satellite imagery around 11 a.m. on 8 October 2021
3.5.6b
Visible satellite imagery around 2 p.m. on 9 October 2021
3.5.7a
Radar echoes captured at noon on 8 October 2021 when the intense rainbands associated with Lionrock were affecting Hong Kong
3.5.7b
Radar echoes captured at 3:24 p.m. on 9 October 2021
3.5.8a
Scaffolding collapsed in Happy Valley on 8 October 2021
3.5.8b
Serious flooding at Tai Hang Road and Victoria Park during the rainstorm on 8 October 2021
3.6.1
Track of Kompasu (2118): 8 – 14 October 2021
3.6.2
Rainfall distribution on 12 – 14 October 2021
3.6.3a
10-minute mean wind direction and speed recorded at various stations in Hong Kong at 4:20 a.m. on 13 October 2021
3.6.3b
10-minute mean wind direction and speed recorded at various stations in Hong Kong at 11:00 a.m. on 13 October 2021
3.6.4
Traces of 10-minute wind speed recorded at Waglan Island, Cheung Chau Beach and North Point on 11 – 14 October 2021
3.6.5
Traces of sea level and storm surge recorded at Quarry Bay, Tai Po Kau, and Tsim Bei Tsui on 12 – 13 October 2021
3.6.6
Infra-red satellite imagery around 5 a.m. on 13 October 2021
3.6.7
Radar echoes captured at 4 a.m. on 13 October 2021
3.6.8a
Flooding of Shing Mun River due to storm surge induced by Kompasu on the early morning of 13 October 2021
3.6.8b
A tree was blown down at Tung Tau Estate, Wong Tai Sin during the passage of Kompasu on 13 October 2021
3.7.1a
Track of Rai (2122): 12 – 21 December 2021
3.7.1b
Track of Rai near Hong Kong
3.7.2
Rainfall distribution on 20 – 21 December 2021
3.7.3
Infra-red satellite imagery around 2 a.m. on 19 December 2021
3.7.4
Radar echoes captured at 11 p.m. on 20 December 2021